Outlined is a verb that means to trace or draw the contour or edges of something. Antonyms for this word include the terms erasing, blurring, smudging, obliterating, and shading. Erasing involves removing the previously drawn lines or edges. Blurring entails making the lines less distinct. Smudging is when the lines become indistinct or diffused. Obliterating is the complete annihilation or destruction of the lines or edges. Shading introduces paralleled layers of darkness or lightness to give the drawing a more realistic appearance. Understanding these antonyms can help to add texture to your artwork, creative designs or any other task that requires outlining of a subject.